78007226 has 8 divisors (see below), whose sum is σ = 127648224. Its totient is φ = 35457820.

The previous prime is 78007219. The next prime is 78007273. The reversal of 78007226 is 62270087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 78007192 and 78007201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1772870 + ... + 1772913.

It is an arithmetic number, because the mean of its divisors is an integer number (15956028).

Almost surely, 2^78007226 is an apocalyptic number.

78007226 is a deficient number, since it is larger than the sum of its proper divisors (49640998).

78007226 is a wasteful number, since it uses less digits than its factorization.

78007226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545796.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 78007226 is about 8832.1699485461. The cubic root of 78007226 is about 427.2790618785.

The spelling of 78007226 in words is "seventy-eight million, seven thousand, two hundred twenty-six".